Some Nonlinear Control Theory

The following sections are included:

• Introduction

• The Describing Function Technique

  • The Describing Function Concept

  • Predicting Limit Cycles

  • The Stability of Limit Cycles

  • More Examples

    • A Nonlinear Oscillator

    • A Comparator with a Dead Zone

    • A Simple Quantizer

  • Graphical Method

• Tsypkin's Method

• The Tsypkin Locus and the Describing Function Technique

• Exercises